1. Department of Civil Engineering, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
2. Environmental Science Department, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
3. Chemical Engineering Department, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
4. Department of Mechanical Engineering, Kumasi Technical University, Ghana
5. Waste and Resource Management Department, University of Rostock, Rostock, Germany